{"coeffs": [-5.106228361624572e-06, 0.018622177454476453, 2.4998744899214853, 0.3148814512998671], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [1.5146170161628266e-06, 1.251351375939626, 21.552680221812132, 0.051489323753768274], "covariance": [[2.294064705649984e-12, -1.7641826004403531e-06, -3.0411350523421416e-05, -7.614270149153975e-08], [-1.7641826005023318e-06, 1.565880266065995, 26.96990287491687, 0.06348359562845725], [-3.041135052448457e-05, 26.96990287491096, 464.51802474369185, 1.0938495263945978], [-7.61427014928868e-08, 0.06348359562742048, 1.0938495263769807, 0.0026511504606203658]]}